4. Sam Wang looks at the Senate prediction models, and adds his own. Best point: This far out, any control-of-Senate big number between 20 percent and 80 percent probably should be treated as a tossup, which is what all the models show.

6. Big (if true) health-care news from Sarah Kliff: Health-care prices are continuing to moderate. For those of us who maintain that the U.S. has a health-care cost problem, not a long-term budget problem, that's very good news. If it holds up.